andyxros Posted September 28, 2010 Report Share Posted September 28, 2010 hi all, can you give me advice on where to look next i have bad idle and had codes 300 301 302 303 304 i clear them and it tickes over at 1000 rpm and no misfiring but after say 5 mins it gose to bad idle and pops from tailpipes, but revs up evenly and drives as nor,al its just tick ove speed thats the problem, changed maf sensor thats all ive done just gone round in circles with the code clearing etc, could it be the I.C.valve bunged up or not reponding to the ecu????? Link to comment Share on other sites More sharing options...
cruiser647 Posted October 3, 2010 Report Share Posted October 3, 2010 Hi, it could be a split hose - letting in excess air. Check the hoses when the engine is warm. Good luck! Link to comment Share on other sites More sharing options...
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